RS PRO Bright Zinc Plated Steel Hex Socket Countersunk Screw M4 x 25 mm 491-5091

RS PRO 491-5091 is a bright zinc plated steel hex socket countersunk screw, designed for industrial and general fastening applications. It features an M4 metric thread with a length of 25 mm, produced from high-grade 10.9 steel offering nominal tensile strength of 1040 N/mm².

The hex socket countersunk head allows the screw to sit flush or below the surface of the material, providing a smooth finish. The bright zinc plating enhances corrosion resistance while maintaining an attractive appearance for machine tooling, security guarding, panel building, and light industrial use cases.

Manufactured according to DIN 7991 standards, this screw is marked on the head for easy identification and quality assurance. It can be fastened using a hex or Allen key, providing convenience in assembly and maintenance operations.

Typical applications include woodworking, domestic installations, electronic assemblies, automotive industries, and general maintenance tasks. Its resilient grade 10.9 steel construction ensures durability and longevity in varied environments.

Produced from grade 10.9 steel ensuring high tensile strength. Features hex socket countersunk head for flush mounting in assemblies. Bright zinc plating provides corrosion resistance and quality finish. Suitable for machine tooling, security guarding, panel building, and general fastening.

Compliance with DIN 7991 standard for industrial quality. Marked head for identification purposes. Compatible with Allen or hex keys for operation. Ideal for a wide range of applications from woodworking to automotive industry.

This RS PRO screw is a reliable choice for professional and industrial use, offering strength and corrosion protection in one package. Explore other RS PRO industrial fasteners and tools to meet your equipment assembly and maintenance needs at EnvMart.

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